Why are certificates preferred over pre-shared keys in an IPsec VPN?

Question

Options

• AWeak security: PSKs can only have 112 bit length.
• BWeak Security: PSK are static and can be brute-forced.
• CWeak scalability: PSKs need to be set on each and every Gateway.
• DWeak performancE.PSK takes more time to encrypt than Diffie-Hellman.

• A
  16% (4)
• B
  72% (18)
• C
  8% (2)
• D
  4% (1)

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